X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fcommons%2Fcommandline%2Fparameterparser%2Fparameter%2FNullParameter.java;h=b726cd63620b761ff216e56baee72407fa6aa3ef;hb=965adace2b47642e2ca84f499cc32683c12059c6;hp=7e55d57c78fb440d71f10252a06552c22e36a5a3;hpb=b34ba4499cfbca09bc794a810e460bf1c86dcd34;p=svjatoslav_commons.git

diff --git a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/parameter/NullParameter.java b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/parameter/NullParameter.java
index 7e55d57..b726cd6 100755
--- a/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/parameter/NullParameter.java
+++ b/src/main/java/eu/svjatoslav/commons/commandline/parameterparser/parameter/NullParameter.java
@@ -1,7 +1,7 @@
 /*
  * Svjatoslav Commons - shared library of common functionality.
- * Copyright ©2012-2014, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- * 
+ * Copyright ©2012-2019, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 3 of the GNU Lesser General Public License
  * or later as published by the Free Software Foundation.
@@ -12,36 +12,25 @@ package eu.svjatoslav.commons.commandline.parameterparser.parameter;
 import eu.svjatoslav.commons.commandline.parameterparser.ArgumentCount;
 import eu.svjatoslav.commons.commandline.parameterparser.Parameter;
 
-public class NullParameter extends Parameter {
-
-	public NullParameter(final String description) {
-		super(description, ArgumentCount.NONE);
-	}
-
-	@Override
-	public NullParameter addAliases(final String... aliasArray) {
-		super.addAliases(aliasArray);
-		return this;
-	}
-
-	@Override
-	public java.lang.String describeFormat() {
-		return "<none>";
-	}
-
-	public boolean getValue() {
-		return isParameterSpecified();
-	}
-
-	@Override
-	public NullParameter setMandatory() {
-		mandatory = true;
-		return this;
-	}
-
-	@Override
-	public boolean validate(final java.lang.String value) {
-		return true;
-	}
+public class NullParameter extends Parameter<Boolean, NullParameter> {
+
+    public NullParameter(final String description) {
+        super(description, ArgumentCount.NONE);
+    }
+
+    @Override
+    public java.lang.String describeFormat() {
+        return "<none>";
+    }
+
+    @Override
+    public Boolean getValue() {
+        return isSpecified();
+    }
+
+    @Override
+    public boolean validate(final java.lang.String value) {
+        return true;
+    }
 
 }